In Excel, the toolbar is located at the top of the window, by default. If you want to move it to a different location, there are a few different ways you can do so.
One way is to click on the toolbar and drag it to where you want it. Another way is to go to the View menu and select Toolbars, then choose the location you want from the list.
You can also customize the toolbar by adding or removing buttons. To do this, go to the View menu and select Customize Toolbar. From here, you can add or remove buttons, as well as change their order.